Articles about command | UserComp.com | Page [ 2 ]

How to Capture Time Parameter in ffmpeg Output on EndeavourOS

Enable ffmpeg -stats to capture real-time time parameters and redirect stderr for logging on EndeavourOS.

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How to Make ZSH Navigation More Like Bash

Resolve ZSH navigation discrepancies by adding bindkey -e to .zshrc to enable Emacs-style keybindings.

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Command Used to Delete Files with Specific Text Name: A Tech Support Guide

Delete files with specific text in their names on Linux, macOS, and Windows using command-line tools.

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How to Update Ubuntu 20.04.6 LTS Using Command Prompt

Resolve security vulnerabilities and apply bug fixes on Ubuntu 20.04.6 LTS using command line tools like apt update and apt upgrade.

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Change Windows 11 Command Prompt Console Language

Fix garbled text in Windows 11 Command Prompt by changing the console code page to UTF-8 or other language-specific encodings.

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How to Force Declare -f to Respect Semicolons

Resolve confusion about Bash declare -f output by clarifying it displays function definitions rather than executing semicolon-separated commands.

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How to Remove Special Characters from Folder Names in Windows 10

Resolve Windows 10 folder name errors caused by invalid characters like colons and asterisks using a PowerShell script to safely replace them with underscores.

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Open Printing Preferences via Printer Properties Dialogs using cmd/pwsh

Open printer properties and printing preferences dialogs directly from the command line on Windows, Linux, and macOS.

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How to Open an MBOX File with Mailutils for Local Use

Resolve the inability of mailutils to directly parse MBOX files by converting them to Maildir format for local indexing and searching.

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SSH Command: 6th Time's a Charm!

Resolve intermittent SSH connection failures by diagnosing timeout errors and optimizing client configurations for reliable access.

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How to nicely print time difference in bash?

Calculate human-readable time differences in Bash by converting Unix timestamps to days, hours, minutes, and seconds.

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Unzip STDOUT Filenames with Field Delimiters: A Tech Support Guide

Extract ZIP archive contents to stdout and format field delimiters using awk or sed without creating temporary files.

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FFmpeg-fconcat: Unable to Read File List from Command Line Pipe?

Resolve FFmpeg concat demuxer pipe errors by writing the file list to a temporary text file instead of piping it directly.

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USBDrive Not Showing in Windows 10 File Explorer but Shows in Total Commander

Resolve USB drive not showing in Windows 10 File Explorer by assigning a unique drive letter via Disk Management.

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PowerShell Command to Display Specific Text from a Website: file.txt with Get-Content

Resolve the error when using Get-Content with URLs by fetching web pages via Invoke-WebRequest and extracting text with regular expressions.

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How to Convert Print Commands to SQL Execution

Resolve the issue of scripts only printing SQL strings by implementing actual database execution to enable dynamic data updates and automation.

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How to Extract a .zip File with 7zip Using a CMD Command

Resolve 7z not recognized errors and extract zip files with full paths via CMD by configuring PATH and using the x switch.

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Disabling Command Substitution in zsh: Alias 'cleanbiber' Example

Prevents premature command substitution in zsh aliases by using single quotes to preserve literal strings until runtime.

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Convert SVG to PNG using command line with width and height applied

Convert SVG to PNG with specific pixel dimensions using rsvg-convert for consistent, deterministic output in batch processing workflows.

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Query effective ssh (client) config from the command line

Resolve SSH connection issues by using ssh -G to view the effective client configuration after merging system, user, and command-line settings.

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Troubleshooting 'dir' Command Prompt Issues: A Comprehensive Tech Support Guide

Resolve Windows Command Prompt dir command failures caused by syntax errors, permission denied issues, or environment variable conflicts.

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How to Parse a Text File and Delimit with Colon Character in a Batch File

Parse colon-delimited text files in batch scripts using the for /f loop with delims and tokens parameters.

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Understanding Openwall and John the Ripper: No John Command Parameters

Resolve John the Ripper usage summary by specifying hash format and input files via command line parameters.

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FFMpeg Image Creation from Timestamps

Extract precise single frames from video timestamps using fast seek to avoid keyframe snapping and slow processing.

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How to Fix {"dd"} Command Error when Creating a Bootable Ubuntu Installation Drive

Resolve dd command errors when creating bootable Ubuntu drives by fixing permission denied, device busy, and incorrect target device issues.

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Using Sudo Permissions with Unshare

Resolve permission errors when using sudo unshare by explicitly managing directory ownership with chown or mount options.

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Windows Recovery Partition Still Accessible After Deleting It

Resolve Windows recovery partition persisting in boot menu after deletion by cleaning BCD entries and verifying removal via DiskPart.

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USB Drive Read-Only After Using DD Command with Linux ISO

Resolve read-only USB drive caused by dd Linux ISO write by unmounting, verifying status, and reformatting to FAT32 or NTFS.

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Understanding the pipe and heredoc in Tech Support

Demonstrates using pipes and heredocs to automate log analysis, script configuration, and multi-line input in Linux technical support.

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Troubleshooting: MSYS2 - Directory not visible with ls-la command

Fixes the ls-la syntax error in MSYS2 by adding a space between the command and flags to correctly list directory contents.

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Long Executing Commands with Internet Connection on MacOS Sequoia 15.1

Resolve slow terminal commands on macOS Sequoia 15.1 by disabling network checks in .zshrc that cause shell initialization delays.

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Bash Command: Understanding '//xxx[]' and Its Usage

Demonstrates using Bash parameter expansion with double slashes to perform global string substitution and character class matching within variables.

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Expanding Grep Returns with Specific File Extension Conditions

Filter grep recursive search results to specific file extensions using the --include flag with glob patterns.

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Windows 10: Unable to Add a New User Account or Go Back to Previous One

Resolve Windows 10 user account creation and restoration failures using Command Prompt commands to bypass graphical interface glitches.

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How to Use the Excel SUM Command to Calculate Daily Attendance

Calculate daily attendance and track individual student hours toward a 60-hour goal using Excel SUM formulas.

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How to Save curl.exe Output Response Content_Type to a Separate File

Save curl HTTP response headers to a file using the -D flag while discarding the body with -o NUL or /dev/null.

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How to Easily Copy Files to a QNX System using the RZ Command via SSH

Resolve file transfer failures on QNX by replacing unsupported Zmodem rz commands with standard SFTP or SCP protocols over SSH.

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MacOS Terminal: Common Commands Like 'cd' Not Working, How to Set New Path Variable and Delete Old Ones

Fixes broken terminal commands like cd by correcting the $PATH variable in .zshrc to include standard system directories.

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VLC Media Player: Fixing Command-Line Errors with 'AudioObjectAddPropertyListener' on macOS

Resolve VLC AudioObjectAddPropertyListener errors on macOS by updating the app, closing conflicting audio apps, and resetting preferences.

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Failed Installation of Windows User Mode Driver Foundation v1.9 using Command Line

Resolves Windows User Mode Driver Foundation v1.9 command line installation failures caused by missing admin privileges, typos like pnputul, or unquoted paths with spaces.

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Find Command Not Finding Files: Specify Folder for Accurate Results

Resolve find command returning no results by explicitly specifying the absolute starting directory path.

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Resolving Windows 11 24H2 Issues: Command Prompt with Elevated Privileges

Resolve Windows 11 24H2 post-update errors and access denied issues by running system repair commands with elevated privileges.

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Using ip Command for the First Time: Temporary Failure in Name Resolution - Debian 12.8.0

Resolve temporary failure in name resolution errors when using the ip command on Debian by applying the -n flag or setting IPADDR_NOLOOKUP.

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Finding the Correctly Executed Clang Version with Additional Arguments

Resolve discrepancies between reported and actual Clang versions by inspecting running processes with ps or auditing binaries with find to identify wrapper scripts and execution arguments.

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How can I use Windows .bat files to create folder above current folder?

Create a folder in the parent directory using cd .. and mkdir commands.

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Troubleshooting PowerShell Get-Appx -AllUsers Failure

Resolve Get-AppxPackage -AllUsers failures caused by stopped services, insufficient permissions, or corrupted system files.

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Fixing the PATH Environment Variable Issue in Windows 11 21h2

Resolves broken PATH environment variable in Windows 11 21h2 by restoring missing system directories via System Properties or Registry Editor.

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Command Prompt Drive Switching Different From PowerShell

Resolve drive switching inconsistencies between Command Prompt and PowerShell by understanding their distinct session state management behaviors.

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Kill process belonging to a different user from the command line

Resolve access denied errors when terminating another user's process in Windows by using taskkill with administrator privileges.

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Why Would WSL Use the Wrong Distro from the Command Line on Occasion?

Resolve WSL launching the incorrect distribution by checking wsl --list --verbose and setting the correct default with wsl --set-default.

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